spaeks



(No Moden.) i 2 sheets-sheet 1. E. G. SPARKS.

MANUPAGTURE OP WAXED PAPER.

(No Model.) 2 Sheets-Sheet 2.

E. G. SPARKS. MANUFAGTURB OPl WAXED PAPER. No. 410,810. Patented Sept. 10, 1889.

WITNESSES: VVE/W09:

Arron/Veys.

N PETERS. Photo'Llhugmphur. wnslingmn, D. C.

UNITED STATES PATENT OFFICE.

EDWARD G. SPARKS, OF BROOKLYN, ASSIGNOR TO THE SPARKS MANUFAC- TURING COMPANY, OF NEV YORK, Nf Y.

MANUFACTURE OF WAXED PAPER.

SPECIFICATION forming part of Letters Patent N o. 410,810, dated September 10, 1889.

Application led September 26, 1888. Serial No. 286,457. (No model.)

To @ZZ whom, t may concern: paper, after which the paper passes against Be it known that I, EDWARD G. SPARKS, scrapers, by which a portion of the surplus of Brooklyn, in the county of. Kings and or excess of wax is removed. The scraped State of New York', have invented new and paper now passes into contact with another 5 useful Improvements in the `Manufacture of heated roller to smooth and spread the wax. 5 5

Vaxed Paper, of which the following is a The various rollers and the paper all move at full, clear, and exact description. the same speed. These operations are at- This invention relates to the production of tended with difficulties, and the waxed paper that class of paper with which is incorpoproduced isuneveninqualityandexpensiveto 1o rated paraiiine, or ceracine, or wax, or stearic make, owing to the want of means to deliver 6o acid, and known in trade as waxed paper, the right quantity of para-fne or wax to the the substance most commonly used for chargpaper in the first instance, it being impossiing the paper being the purified parafine of ble by this method of working to do otherwise commerce. Whereverin this specicationluse than deliver to the paper an excess of wax,

I 5 the term wax it will be understood that I reand when the paper has been once charged in 6 5 fer to paraffne or any of the above substances. excess it is impossible to remove such excess My invention consists in a novel combinaof wax. The manufacturer is thus subjected tion of mechanism for delivering the wax to to unavoidable losses of wax. Furthermore, the surface of the paper in a uniform manthe use of Scrapers in the effort to remove 2o ner and in novel means for regulating the wax requifes that the paper shall be run 7o quantity of wax delivered to the paper, as slowly through the machine, and even then willbehereinafterfullydescribed,andpointed with the utmost care the paper is liable to out in the claims. become torn, thus entailing loss both of time Reference is to be had to the accompanying and valuable materials.

25 drawings, forming apart of this specification, In the practice of the above method it is 7 5 in which similar letters of reference indicate difficult to make use of very thin or weak pacorresponding parts in all the figures. per, as it is liable to be torn or broken in go- Fi-gure l is a sectional side elevation Yof ing through the machine and its various rollone of my improved machines as arranged ers and Scrapers. Consequently a strong and 3o for operation; and Figs. 2, 3, 4, and 5 are side comparatively expensive paper must be used, 8o sectional elevations of portions of my invenwhich again adds to the losses of the manution, illustrative of certain modifications of facturer, as he is thus compelled to use highsome of the parts. priced paper.

In the manufacture of waxed. paper as In my present invention, which I will now 3 5 heretofore conducted the wax is placed in a proceed to describe, all thesediflioulties are 85 suitable tank and liquefied by heat, usually overcome and removed. by steam-pipes that pass through the tank. I have discovered that it is not necessary Vithin the tank is placed a roller, the lower to saturate the pores of the paper with the part of which dips into the hot wax and bewax, as heretofore practiced. I have ascer- 4o comes covered therewith, the paper to be tained that a better quality of waxed paper 9o charged being drawn or fed in contact with may be -produced by avoiding this saturation, the upper part of said roller, which stands and instead thereof I apply a thin but uniabove the level of the melted wax and deform coating of thev wax to the exterior surlivers the hot wax to the surface of the paper, face of the paper.

45 such delivery being always an excess of wax. One of the distinctive features or results of 95 The next operation is to remove from the my invention is, that instead of filling the paper a portion of this excess of wax, which pores and charging the paper with an excess is sought to be effected by feeding the paper of wax in the first instance, and then removagainst one or more heated rollers, in order to ing or trying to' remove such excess, as in the 5o spread or force the wax into the pores of the common method above described, I avoid the roo application of all excess of wax or parafne to the paper, and I am thereby enabled to throw out of my machine and altogether dispense with the use of all devices heretofore required for scraping or removing the excess or surplus of wax, together with the hot rollers and other devices used to spread or cause the wax to be absorbed in the pores of the paper. I thus cheapen the machine, and I am enabled to run the machine faster and finish the paper more quickly with saving' of time. I also effect a great saving in the quantity of wax, and also an economy in the paper, as I am enabled to use with success t-he lightest grades of paper that may be demanded. In consequence of the simplification of my machines I am also enabled to run them at a much higher speed and with a less number of attendants than the ordinary machines, greatly increasing the amount of work done by each of my machines, and effecting import-ant economies in the cost of producing the finished paper.

In carrying out my invention, and referring now to Fig. 1,1 provide a tank A of the usual construction for containing the wax or other substance with which they paper is to be charged, and through which tank stean1-pipes a are extended for heating the parafline, said pipes communicating in any suitable manner with a steam-generator- The tank A is supported in a suitable frame having uprights .B and cross-bars B 32 53132011 one of which B is suitably mounted a wax-take-up device, consisting, in this instance, of a pair of rollers C C, which carry a belt D ofmany suitable material, the lower part of which dips and moves in the wax, and becomes charged therewith.

Journaled on the bar Il above the take-up device, and rotating in contact with the belt I) thereof, I arrange a delivery--roller E, which moves in contact with the take-up device and becomes covered with wax4 Said deliveringroller E delivers the wax it receives from the take-up device to t-he surface of the paper F, which passes in the direction of the arrow over and in contact with the upper surface of the delivering-roller E, as shown. Said de livering-roller E is speeded to run about; five times or more faster than the paper moves. The paper F is drawn in the direction of the arrow from the roll of paper F which is suitably mounted for rotation on the bar B', as shown. The paper on coming in contact with the delivering-roller not only receives the desired charge of parafline, but is at the same time finished ready for use, and the paper goes onward in the direction of the arrows to the reel G, by the rotation of which the web of paper is drawn through the machine and wound up.

II II are loose guide-rolls journaled on the bar B2 for directing the web of paper F as it comes from the roller F to the deliveringroller E.

In some cases--as, for example, when the web of paper F has been badly wound upon its roller F', whereby it is creased or puckered or irregular-I have found it advantageous to arrange a smoothing device, which in this iustance consists of a brush-roller I above the delivering device E at a point where the paper web reaches the delivering device, so that the brush I will press lightly upon the upper surface of the paper F and smooth out any wrinkles, creases, or puckers in the web of paper, and cause it to go smoothly into contact with the surface of the delivering device E, thereby insuring the perfect and even waxing of the surface of the paper. The brushroller I is suitably journaled on the bar 32. This bar is pivoted at one end at d tothe up right I3, for convenience in lifting to gain access to the parts below.

Motion is communicated to the several parts of the machine from a cone driving-pulley .I of the ordinary mounting and construction. The rcel G is operated by the beltj from thc pulley J. Suitably mounted on the bar B is a cone-pulley II, which receives motion from the pulleyJ by abeltj?. Abeltl: from thepnlley Ii gives rotation tothe brush I. A belt 'la' from the pulley K gives rotation to the del veringdeviee E. Anotherbeltl gives rotation to a cone-pulley Il, which is suitably mounted and journaled on the bar I3. A belt Z from the pulley L gives rotation to the pulley M, which is mounted on the bar Il, and a pulley m on the pulley M conveys motion by the belt n to one of the rollers C of the take-up device and its belt D. rl`he several belts move in the directions indicated by the arrows.

The delivering-roller E has about five times faster velocity than that of the paper web. The delivering-roller E also has a velocity about four hundred and fifty times faster than that of the take-up device. The quantity of wax taken up by the latterand carried to the delivering-roller E is governed by the speed given to the takeup device; the faster it runs the more wax it will carry.-

It will be observed that by means of the arrangement of belts and pulleys here described the motions or velocities given to the take-up device, the delivering-roller, the reel, and the brush may be increased or diminished at will by simply shifting their respective belts on their respective pulleys. Thus the speed of the take-up device, the delivering-roll, the reel, and the brush-roller may each be separatelyincreased or diminished, as desired, independently of and without interfering with any other parts of the machine.

rlrhe above arrangement for independently controlling the speed of the take-up device I believe to be a new feature in paperwaxing mechanisms, and I ind it to be of the great est value and importance, for in connection with the delivering device it enables me to regulate exactly the quantity of wax that goes to the paper and avoids all losses caused by using an excess of wax.

I have described the take-up device as com IOO IIO

posed of two rollers and a belt moving within the wax-tank, as shown in Fig. 1,`and this form of take-up device I consider preferable; but in some cases I use the modified form shown in Fig. 2, in which the take-up device consists of a single cylinder or roller C', its lower part turning very slowly in melted Wax, Which it takes up and carries to the delivering-roller E, as shown in Fig. 2. This take-up device C may consist of a plain roller, or the surface thereof may be covered with cloth or any other1 suitable absorbent or elastic material; or the take-up device may consist of a roller-brush Cfe of anysuitable material, as shown in Fig. 3.

I have described the vdelivery-roller as consisting of a roller or cylinder moving in contact with the take-up device, and also in contact with the paper, as shown in Fig. l. Instead of using a plain roller or cylinder, I find it desirable in some cases for Working certain grades of waxed paper to make the delivering-roller in the form of a roller-brush, as shown at E', Fig. 4. This brush may be composed of any suitable material. In other cases I use for the delivering-roller a roller covered with cloth or other suitable material, which may be absorbent and more or less elastic, as shown at E2, Fig. 5, in which e represents t-he cloth or absorbent or elastic material.

The operation of my improved mechanism is substantially as follows: The web of paper F is ext-ended from the roll through the machine and attached to the reel G, as shown in Fig. I. Motion is then imparted to the driving-pulley J, from which all the other moving parts are putin operation through their respective pulleys and belts, as shown. The delivering-roller E rotates between the takenp device and the paper F. The lower surface of the delivering-roller, being in contact with the take-up device, receives Wax from the latter and deposits its charge of Wax against the surface of the paper, which moves in contact with the upper surface of the deliveringroller E. The delivering-roller E has a motion different from and independent of the other parts of the machine, being operated by its special or independent belt, as before described. The motion of the delivering- .roller is much faster than the movement of the paper, and also much faster than the take-up device. The result of this peculiar motion of the delivering-roller is, that it receives a thin even coating or charge of wax from the take-up device, and delivers it upon the surface of the paper F in the form of a film of Wax which is so even, smooth, uniform, and finished that no after treatment by scrapers or rollers is required. Thus the paper is finished at one operation and goes to the reel G, by which it is rolled up, and is then ready for market.i

I do not limit or confine myself to the exact form 'and arrangement of parts herein described, as they may be varied to suit the requirements of the manufacturer Without departing from my invention.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

l. A mechanism for waxing paper, consisting of the following elements, operated in combination, as herein described, namely: a tank or holder for the Wax, a take-up device moving in contact with the Wax, a deliveringroller moving in contact with the take-up de-- vice, and means for imparting independent velocities respectively to the take-up device and to the delivering-roller, as set forth.

2. In machines for Waxing paper, the combination, with the take-up device and the paper web, of a delivering-roll speeded to move at a higher velocity than the paper web, as herein set forth.

3. In machines for waxing paper, the combination, with the take-up device and the paper Web, of a delivering-roll arranged to move in contact with both the take-up device and the paper Web at a higher velocity than either of them, as and for the purposes set forth.

4;. In machines for waxing paper, the combination of the following instrumentalities, operated as described, namely: a take-up device and means for independently driving the same, a delivering-roll and means for independently driving the same, and a windin greel and means for independently driving the same, as herein set forth.

4 EDWARD G. SPARKS. Vitnesses:

C. SEDGWICK, E. M. CLARK. 

